Home / 13,898.61-19,180.23-7,525.34

Finding the Fourth Proportional to 13,898.61, 19,180.23 and 7,525.34

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Solution

The fourth proportional to 13,898.61, 19,180.23 and 7,525.34 is: 10,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.61 : 19,180.23 = 7,525.34 : x
  2. Step 2: Convert to fraction form
    13,898.61/19,180.23 = 7,525.34/x
  3. Step 3: Cross multiply
    13,898.61x = 19,180.23 × 7,525.34
  4. Step 4: Simplify right side
    13,898.61x = 144,337,656.13
  5. Step 5: Solve for x
    x = 144,337,656.13/13,898.61
  6. Step 6: Final answer
    x = 10,385.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.